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(11)

EP 4 018 180 A1

(12)

(43) Date of publication: 29.06.2022 Bulletin 2022/26 (21) Application number: 19942120.7 (22) Date of filing: 20.08.2019

(51) International Patent Classification (IPC):  G01N 21/25(2006.01) G16C 20/70(2019.01) G01N 21/94(2006.01) (52) Cooperative Patent Classification (CPC): G16C 20/70; G01N 21/94; B07C 5/34; G16C 20/20; G01N 2201/129; G01N 21/31; G01N 33/02; G01N 2021/845; G01N 2021/8883; G06N 20/20; G06N 5/003; G06N 7/005; G06N 20/10; G06N 3/0454 (86) International application number: PCT/IB2019/057019 (87) International publication number: WO 2021/033012 (25.02.2021 Gazette 2021/08)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (71) Applicant: P&P Optica Inc. Waterloo, Ontario N2V 2C3 (CA)	(72) Inventors: PAWLUCZYK, Romuald Conestogo, Ontario N0B 1N0 (CA) PAWLUCZYK, Olga Ewa Waterloo, Ontario N2T 2K9 (CA) STORK, Timothy M. F. Kitchener, Ontario N2A 0J3 (CA) HAMZIC, Allan Kitchener, Ontario N2E 3N6 (CA) OLDENBURG, Bradley Waterloo, Ontario N2K 4C1 (CA) (74) Representative: Kailuweit & Uhlemann Patentanwälte Partnerschaft mbB  Bamberger Straße 49 01187 Dresden 01187 Dresden (DE)